US3081893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for handling steel drums
Assignee: Individual
•
Filing: 1960-09-08
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Granted: 1963-03-19
•
Expires: 1980-09-08
Abstract
No abstract record available.
Inventors
- 👤 Charles H Holsclaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:26
CPC Classifications
B; B65; B65D; B65D25/00; B65D25/20; B65D25/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A TRANSPORT FIXTURE FOR HANDLING LARGE HEAVY METAL SHIPPING DRUMS, EACH OF SAID DRUMS HAVING A PLURALITY OF SPACED REINFORCING BEADS THEREON, SAID FIXTURE COMPRISING A CONTINUOUS FLEXIBLE STRIP OF METAL SHAPED TO BE PLACED AROUND SAID DRUM BETWEEN ADJACENT REINFORCING BEADS, A PAIR OF RADIALLY PROJECTING BRACKETS DIAMETRICALLY SPACED ON THE STRIP, MEANS FOR JOINING THE ENDS OF SAID STRIP TO DEFINE A DIAMETER WHICH IS EQUAL TO THE DIAMETER OF SAID DRUM BUT LESS THAN THE DIAMETER OF SAID REINFORCING BEAD SO THAT WHEN THE FIXTURE IS LIGHTLY CLAMPED TO SAID DRUM THE FIXTURE IS FREE TO SLIDE INTO ABUTMENT WITH SAID BEAD, THE STRIP BEING OF NARROW WIDTH SUBSTANTIALLY LESS THAN THE SPACING BETWEEN THE BEADS SO THAT CONTINUOUS APPLICATION OF LIFTING FORCE AGAINST THE BRACKETS IS EFFECTIVE TO SLIDE THE STRIP UPWARDLY FROM THE CENTER OF GRAVITY AND INTO ENGAGEMENT WITH ONE OF SAID BEADS FOLLOWED BY LOCALIZED TWISTING OF THE STRIP IN THE VICINITY OF THE BRACKETS TO APPLY A PINCHING ACTION AGAINST THE SIDE WALL OF SAID DRUM.
Claim 2
Dependent Claim
174 words
A TRANSPORT FIXTURE FOR HANDLING LARGE HEAVY METAL SHIPPING DRUMS, EACH OF SAID DRUMS HAVING A PLURALITY OF SPACED REINFORCING BEADS THEREON, SAID FIXTURE COMPRISING A CONTINUOUS FLEXIBLE STRIP OF METAL SHAPED TO BE PLACED AROUND SAID DRUM BETWEEN ADJACENT REINFORCING BEADS, A PAIR OF RADIALLY PROJECTING BRACKETS DIAMETRICALLY SPACED ON THE STRIP, MEANS FOR JOINING THE ENDS OF SAID STRIP TO DEFINE A DIAMETER WHICH IS EQUAL TO THE DIAMETER OF SAID DRUM BUT LESS THAN THE DIAMETER OF SAID REINFORCING BEAD SO THAT WHEN THE FIXTURE IS LIGHTLY CLAMPED TO SAID DRUM THE FIXTURE IS FREE TO SLIDE INTO ABUTMENT WITH SAID BEAD, THE STRIP BEING OF NARROW WIDTH SUBSTANTIALLY LESS THAN THE SPACING BETWEEN THE BEADS SO THAT CONTINUOUS APPLICATION OF LIFTING FORCE AGAINST THE BRACKETS IS EFFECTIVE TO SLIDE THE STRIP UPWARDLY FROM THE CENTER OF GRAVITY AND INTO ENGAGEMENT WITH ONE OF SAID BEADS FOLLOWED BY LOCALIZED TWISTING OF THE STRIP IN THE VICINITY OF THE BRACKETS TO APPLY A PINCHING ACTION AGAINST THE SIDE WALL OF SAID DRUM.
References Cited (Backward Citations)
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US2042263A
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US2725208A
Cited
US2832630A
Cited
US2826322A
Cited
US2960785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |